Role of nasal problems on positional and nonpositional obstructive sleep apnea.

Kulak Burun Bogaz Ihtis Derg 2016 Jul-Aug;26(4):219-24

Department of Otolaryngology, İstanbul Medipol University, 34214 Bağcılar, İstanbul, Turkey.

Objectives: This study aims to examine the relationship between nasal pathologies and positional (PP) obstructive sleep apnea (OSA) or nonpositional (NPP) OSA.

Patients And Methods: A total of 44 male OSA patients (mean age 48.0±6.8 years; range 31 to 60 years) suffering from nasal obstruction were retrospectively evaluated for nasal obstruction scores, overall apnea hypopnea index (AHI) and AHI in supine and nonsupine positions, daytime sleepiness scores, and body mass index (BMI). Patients were divided into two equal groups as PP group and NPP group. Output parameters were snoring severity index, clinical nasal obstruction score, septal deviation score, conchal hypertrophy score, and allergic rhinitis (AR) score. These parameters were correlated with the type of OSA.

Results: Apnea hypopnea index was significantly lower in PP group than in NPP group (p<0.03). Spearman correlation analysis revealed significant negative correlation between AR score and PP (r=-0.40, p<0.0001). Pearson correlation test revealed significant correlation between AHI and BMI (r=0.32, p<0.05).

Conclusion: We suggest that AR is not only an important risk factor for OSA, but also patients with AR tend to be NPP OSA patients because of the serious nasal obstruction which already causes an increase in nasal resistance or pharyngeal collapsibility.

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Source
http://dx.doi.org/10.5606/kbbihtisas.2016.34017DOI Listing
March 2017
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